Welcome to the resource topic for 2011/581
Title:
Standard Security Does Not Imply Security Against Selective-Opening
Authors: Mihir Bellare, Rafael Dowsley, Brent Waters, Scott Yilek
Abstract:We show that no commitment scheme that is hiding and binding according to the standard definition is semantically-secure under selective opening attack (SOA), resolving a long-standing and fundamental open question about the power of SOAs. We also obtain the first examples of IND-CPA encryption schemes that are not secure under SOA, both for sender corruptions where encryption coins are revealed and receiver corruptions where decryption keys are revealed. These results assume only the existence of collision-resistant hash functions.
ePrint: https://eprint.iacr.org/2011/581
Talk: https://www.youtube.com/watch?v=XrpVX698hT8
Slides: https://iacr.org/cryptodb/archive/2012/EUROCRYPT/presentation/24251.pptx
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